Greenhouse revolution pioneer
By Ju Chuanjiang and Zhang Xiaomin | China Daily | Updated: 2011-02-24 07:36
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Wang Leyi, who invented a greenhouse technology in 1989 that enables farmers in northern China to grow vegetables even at the coldest times of the year, shows visitors around a green house in this file photo. Provided to China Daily |
SHOUGUANG, Shandong - There were almost no fresh vegetables in northern China during winter before Wang Leyi.
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